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Sept. 8, 2021 12:00 UTC

Renesas Launches 32-Bit RX671 MCUs Realizing High Performance and Power Efficiency with HMI Functions for Contactless Operation

A Single-Chip Solution for a Wide Range of Needs That Combines Large Memory Capacity and an Ultracompact Package

TOKYO--(BUSINESS WIRE)-- Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today introduced the RX671 group of 32-bit microcontrollers (MCUs), adding a new high-performance, high-functionality single-chip solution with touch sensing and voice recognition capabilities for contactless operation to the popular RX Family. Part of Renesas’ mainstream RX600 Series, the RX671 MCUs are built around an RXv3 CPU core operating at 120 MHz and integrates flash memory supporting fast read access at a clock speed of 60 MHz, for excellent real-time performance with a CoreMark score of 707, and power efficiency among the best in the class at 48.8 CoreMark/mA.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20210908005441/en/

Renesas Launches 32-bit RX671 MCUs Realizing High-Performance and Power Efficiency with HMI Functions for Contactless Operation (Graphic: Business Wire)

Renesas Launches 32-bit RX671 MCUs Realizing High-Performance and Power Efficiency with HMI Functions for Contactless Operation (Graphic: Business Wire)

Available in a wide variety of packages with pin counts ranging from 48 to 145 pins with up to 2 megabytes (MB) of flash memory and 384 kilobytes (KB) of SRAM, the RX671 MCUs are well suited for a wide range of applications that require advanced functionality, power efficiency, and compact size, such as heating, ventilation, and air conditioning (HVAC), smart meters, and smart home appliances. For size-constrained devices that require advanced functionality, the RX671 is available with 2 MB of flash memory in a 64-pin TFBGA package measuring only 4.5 mm × 4.5 mm – among the smallest anywhere among MCUs with 2MB flash memory.

The COVID-19 pandemic created new health and safety requirements that are transforming how people interact with their devices and environments, increasing the demand for hygienic contactless user interfaces in particular. The new RX671 MCU is optimized for contactless applications, integrating a capacitive touch sensing unit that combines high sensitivity with excellent noise tolerance and can be used to implement contactless proximity switches. In addition, the serial sound interface can be used to connect digital microphones that support voice recognition over long distances. Used in combination with voice recognition middleware from Renesas’ RX ecosystem partners, these features enable developers to create contactless operation functions utilizing voice recognition in a short amount of time.

“I am delighted to announce the RX671, which offers the RXv3 CPU core and new functions while maintaining compatibility with the RX651, currently the most popular MCUs in the RX Family lineup,” said Sakae Ito, Vice President of IoT Platform Business Division at Renesas. “RX671 will meet the needs of a wide range of customers with its combination of real-time performance, power efficiency, HMI functions, security functions, and many package options.”

The RX671 integrates Renesas’ Trusted Secure IP as a part of its built-in hardware security engine which comprises an encryption engine with AES, RSA, ECC, and SHA support, a true random number generator (TRNG), and an encrypted key management mechanism. Combining these with the dual-bank function and protection function of the on-chip flash memory, allows users to implement capabilities such as secure firmware updates and secure boot.

Renesas also introduced two new evaluation boards with the RX671 group of MCUs. The Target Board for RX671 makes it easy to evaluate the RX671 without the need for a separate debugger; the Renesas Starter Kit+ for RX671 supports detailed evaluation of the MCU’s main functions. Both boards are equipped with connectors to the Wi-Fi Pmod Expansion Board (RTK00WFMX0B00000BE) for easy evaluation utilizing wireless network connectivity. The combination of Renesas Starter Kit+ for RX671 and the Wi-Fi Pmod Expansion Board is FreeRTOS-certified, allowing users to obtain certified sample programs from GitHub and try out using the RX671 in coordination with AWS without delay.

Renesas has combined the RX671 MCUs with its complementary power devices to create a complete Touchless Button Solution, which can be used to implement hygienic proximity switches on all kinds of devices to prevent viruses or dirt from adhering to the user’s fingers. The solution is part of Renesas’ “Winning Combinations” – comprehensive solutions that combine complementary Analog + Power + Embedded Processing product portfolios. These certified solutions are engineered to help customers accelerate their designs and get to market faster. Renesas offers more than 250 Winning Combinations with compatible devices that work together seamlessly for a wide range of applications and end products. They can be found at renesas.com/win.

Availability and More Information

The RX671 group of MCUs is available now in 64-, 100-, and 144-pin LFQFP packages; mass production of the 48-pin HWQFN, 64-pin TFBGA, 100-pin TFLGA, and 145-pin TFLGA package products is scheduled to start in Q1 2022. For example, the RX671 is available with a reference price of US $4.94 (excluding tax) in 10,000-unit quantities for the 64-pin LFQFP package version with 2 MB of flash memory. (Pricing and available subject to change.)

To learn more about the new Renesas RX671, visit: www.renesas.com/rx671

About Renesas Electronics Corporation

Renesas Electronics Corporation (TSE: 6723) delivers trusted embedded design innovation with complete semiconductor solutions that enable billions of connected, intelligent devices to enhance the way people work and live. A global leader in microcontrollers, analog, power, and SoC products, Renesas provides comprehensive solutions for a broad range of automotive, industrial, Infrastructure, and IoT applications that help shape a limitless future. Learn more at renesas.com. Follow us on LinkedIn, Facebook, Twitter, and YouTube.

All names of products or services mentioned in this press release are trademarks or registered trademarks of their respective owners.

Contacts

Americas
Don Parkman
Renesas Electronics Corporation
+ 1-408-887-4308
don.parkman.xh@renesas.com


Source: Renesas Electronics Corporation

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